The No. 5 Action Express Corvette DP led its second consecutive day of TUDOR United SportsCar Championship testing Sunday at Sebring Int’l Raceway courtesy of a best lap of 1:53.748 (118.367 mph) by Sebastien Bourdais.

The Extreme Speed Motorsports team continues to ramp up for the 2014 TUDOR United SportsCar Championship season by enlisting three additional championship-winning drivers for the TUDOR Championship North American Endurance Championship (NAEC) races.

After nearly two years of planning, Mazda Motorsports will field a pair of factory-backed SKYACTIV-D Smart Diesel-powered race cars in the top Prototype Class for the 2014 TUDOR United SportsCar Championship (USCC), beginning with the Rolex 24 at Daytona on Jan. 25-26, 2014.

Four-time ALMS champions Level 5 Motorsports have confirmed that they will launch a new customer program while also expanding into the LMPC and GT classes of the new TUDOR United SportsCar Championship in 2014.

Multi-time American Le Mans Series champions Pickett Racing will field a full-time entry in the Prototype Challenge class of the new TUDOR United SportsCar Championship and IMSA with a full-time entry into the PC class